理查德·阿伦

Richard Arlen

饰：Lewis J. 'Lee' Deerhold

温迪·巴里

Wendy Barrie

饰：Ann Patterson

尼尔斯·阿斯瑟

Nils Asther

饰：Dr. Arthur Huneker

Roger Pryor

饰：G.B. Fleming

艾布纳·比勃曼

Abner Biberman

饰：Commander Toyo

马克·劳伦斯

Marc Lawrence

饰：Bela, fifth columnist

约翰·米利扬

John Miljan

饰：Mr. Bambridge,Capt. Haigas

Patsy Nash

饰：Tina Deerhold

Ralph Sanford

饰：Agent Freddie Grayson

威廉·贝克

William Beck

饰：Agent Pomeroy, Fleming's Aide (uncredited)

Jack Carr

饰：Old Mill Gate Guard (uncredited)

Edward Earle

饰：Dr. Barclay, pediatric surgeon (uncredited)

爱德华·菲尔丁

Edward Fielding

饰：Shipping Merchant (uncredited)

德怀特·弗莱伊

Dwight Frye

饰：Haldine, fifth columnist (uncredited)

John George

饰：Man in FBI Raid (uncredited)

哈里·海登

Harry Hayden

饰：Larson (uncredited)

艾迪·凯恩

Eddie Kane

饰：FBI Agent (uncredited)

爱德华·基恩

Edward Keane

饰：J.D.' Deerholds Boss (uncredited)

唐纳德·柯尔

Donald Kerr

饰：FBI Agent Dave (arrests Larson, etc.) (uncredited)

Robert Middlemass

饰：Johnny's father (uncredited)

Fred Sherman

饰：FBI Operative (uncredited)

Stanley Smith

饰：Clerk (uncredited)

Edwin Stanley

饰：Commanding Officer at Finish (uncredited)

米尔本·斯通

Milburn Stone

饰：Lt. Winston (Naval Intelligence) (uncredited)

Dale Van Sickel

饰：Radio Man (uncredited) (unconfirmed)

爱德华·范·斯隆

Edward Van Sloan

饰：Dr. Johann Bergstrom (uncredited)

帕特·韦斯特

Pat West

饰：Radio listener (uncredited)

威尔·赖特

Will Wright

饰：Local Sheriff (uncredited)